BMW - 7 Series E23 77-86 Km-h

BMW Non-US E23 = 20 x ?? Odometer Gear
Euro spec KPH: There are multiple tooth count options that can and will be installed in this odometer. You will need to count the teeth on the old gear before ordering. The outside gear will have 20 teeth and the smaller inner gear between 21 and 32. {If you cannot count the teeth on the main gear then count the teeth of the next gear that it meshes with. If your tooth count is 49: 20x21, 48: 20x22, 47: 20x23, 41: 20x29, 40: 20x30, 38: 20x32}
$25.00 Select a style:  20 x 21 20 x 22 20 x 23 20 x 29 20 x 30 20 x 32

BMW Non-US E23 = Three Odometer Gear Set
( view PDF instructions ) 
E1 gear is always a 12-tooth drive gear, E2 the second gear is always 48x12 with a flat back and black, E3 gear has 48 teeth on the outside, and then between 12 and 21 teeth on the underside gear, original gear is amber in color. There are multiple tooth count options for this application. E3 gear has 48 teeth on the outside and then between 12 and 21 teeth on the underside gear, original gear is amber in color. (Must count teeth on original gear before ordering). {If you cannot count the teeth on the main gear then count the teeth of the next gear that it meshes with. If your tooth count is 39=48x21, 41=48x19, 42=48x18, 43=48x17, 44=48x16, 45=48x15, 46=48x14, 47=48x13, 48=48x12}
$65.00 Select a style:  with 12 inner tooth count with 13 inner tooth count with 14 inner tooth count with 15 inner tooth count with 16 inner tooth count with 17 inner tooth count with 18 inner tooth count with 19 inner tooth count with 21 inner tooth count

BMW Non-US E23 = Individual Odometer Gears
( view PDF instructions ) 
E1 gear is always the 12 tooth drive gear, E2 is always the second gear 48x12 with flat back, E3 gear has 48 teeth on the outside and then between 12 and 19 teeth on the underside gear, original gear is amber in color. (Must count teeth on original gear before ordering). {If you cannot count the teeth on the main gear then count the teeth of the next gear that it meshes with. If your tooth count is 39=48x21, 41=48x19, 42=48x18, 43=48x17, 44=48x16, 45=48x15, 46=48x14, 47=48x13, 48=48x12}
$25.00 Select a style:  E1= 12 tooth drive gear E2= 48 x 12 flat back E3= 48 x 12 with neck on the top E3= 48 x 13 with neck on the top E3= 48 x 14 with neck on the top E3= 48 x 15 with neck on the top E3= 48 x 16 with neck on the top E3= 48 x 17 with neck on the top E3= 48 x 18 with neck on the top E3= 48 x 19 with neck on the top